The couple then displayed the amazing head-to-toe art work in the outdoor gardens at Eden, just outside the world-famous Biomes and next to the Core education centre.

The Core is the base for the permanent exhibition Invisible Worlds, opening on May 25. It will reveal the world beyond our senses: too big, too small, too fast, too slow and too far away in space and time.

The couple spent eight hours being painted

Wolf and Jenny worked with Eden Project scientist Chris Bisson to ensure that the artistic designs were an accurate representation of some of the many microbial organisms that live inside humans and on the surface of the body.

Scientists believe that most people’s bodies are made up of more microbial organisms than human cells.

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Rita Broe, Eden’s marketing director, said: “We wanted a spectacular way to to illustrate the strange and beautiful microbial life hosted by all humankind. Wolf and Jenny were inspired by the themes of our new exhibition and have realised the Invisible Worlds vision in a truly sensational form.”

The centrepiece of the Invisible Worlds exhibition will be a towering 8.5m-tall ceramic sculpture of cyanobacteria, one of the first organisms to create oxygen, which will be unveiled in the Core. It is now nearing completion.

The sculpture pays tribute to these vital but invisible unsung heroes of the natural world, much in the same way as notable people are commemorated with statues.

It is by Future\Pace artists Studio Swine (which stands for Super Wide Interdisciplinary New Explorers), a collaboration between Japanese architect Azusa Murakami and British artist Alexander Groves.

Wolf Reicherter works on model Neil Ellis

Invisible Worlds opens on May 25 for a week of half-term activities, including an opera starring singing mushrooms and a roaming band of human fruit flies.

Entry to the Invisible Worlds exhibition is included in the standard Eden admission price. It is open every day Eden is open.